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CTRI Number  CTRI/2019/02/017746 [Registered on: 20/02/2019] Trial Registered Prospectively
Last Modified On: 23/06/2021
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Placebo Controlled Trial 
Public Title of Study   To study the effects of a nerve block in reducing pain following kidney stone operation 
Scientific Title of Study   The effects of Erector Spinae Plane (ESP) block on post-operative pain management in Percutaneous Nephrolithotomy (PCNL) – a randomized controlled clinical trial. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Satyaki Sarkar 
Designation  Junior Resident (Academic), Department of Anaesthesiology 
Affiliation  All India Institute of Medical Sciences (AIIMS), Bhubaneswar 
Address  Room No : 218, PG III, AIIMS Bhubaneswar, Sijua, Patrapara, Bhubaneswar.

Khordha
ORISSA
751019
India 
Phone  9883804819  
Fax    
Email  dsatyakisarkar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jayanta Kumar Mitra 
Designation  Associate Professor, Department of Anaesthesiology, AIIMS Bhubaneswar 
Affiliation  All India Institute of Medical Sciences (AIIMS), Bhubaneswar 
Address  Department of Anaesthesiology, All India Institute of Medical Sciences(AIIMS), Bhubaneswar, Sijua, Patrapara.

Khordha
ORISSA
751019
India 
Phone  9438884043  
Fax    
Email  mitra.jayanta@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Satyaki Sarkar 
Designation  Junior Resident (Academic), Department of Anaesthesiology 
Affiliation  All India Institute of Medical Sciences (AIIMS), Bhubaneswar 
Address  Room No : 218, PG III, AIIMS Bhubaneswar, Sijua, Patrapara, Bhubaneswar.

Khordha
ORISSA
751019
India 
Phone  9883804819  
Fax    
Email  dsatyakisarkar@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences (AIIMS, Bhubaneswar 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences AIIMS Bhubaneswar 
Address  Sijua, Patrapara, Bhubaneswar Orissa, India - 751019 
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Satyaki Sarkar  All India Institute of Medical Sciences (AIIMS) Bhubaneswar  Department of Anaesthesiology, AIIMS Bhubaneswar, Sijua, Patrapara, Bhubaneswar
Khordha
ORISSA 
9883804819

dsatyakisarkar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, AIIMS Bhubaneswar  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: N200||Calculus of kidney,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Erector Spinae Plane (ESP) block  Performed at the L1 vertebral level under ultrasound guidance with Inj. Bupivacaine (0.25%) 20ml, before the start of the surgery after the induction of general anaesthesia 
Comparator Agent  Placebo-control  A sham procedure similar to the ESP block will be performed at the L1 vertebral level under ultrasound guidance with Inj. 0.9% Normal saline 20ml, before the start of surgery after the induction of general anaesthesia. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Adult patients (Age >18 years and <60 years) with ASA I to II functional status undergoing PCNL under the Department of Urology in AIIMS, Bhubaneswar.
2. Patients who can understand and provide a valid consent for the procedure and also can understand and are willing to report the pain using VAS score.
 
 
ExclusionCriteria 
Details  1. Patients who are currently suffering from chronic pain syndromes and are already under treatment with daily analgesics.
2. Patients in whom multiple nephrostomy tracts have been used, bilateral PCNL is undertaken or in whom conversion of the procedure to open surgery or extension of the normal procedure is required (e.g. second look nephrostomy).
3. Patients in whom the anatomy of the anaesthetic injection site is not clearly delineable on ultrasound examination due to any reason.
4. Patients who remain intubated/ sedated in the SICU post procedure and cannot participate in reporting the VAS score. 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
1. To compare the total dose (in mg) of Injection Tramadol required to achieve adequate analgesia (VAS score less than 5) in the total period of 24 hrs post PCNL in the patients receiving ESP block and in the control group.  At the end of 24hrs post surgery 
 
Secondary Outcome  
Outcome  TimePoints 
1. To compare the Visual Analog Scale (VAS) score and the Dynamic Visual Analog Scale (DVAS) score at 2 hrs, 12 hrs and 24 hrs post PCNL in patients receiving ESP block and in the control group.  2hrs, 12hrs and 24hrs post surgery 
2. To compare the time to the first demand of rescue analgesia (VAS score ≥ 5) using Inj. Tramadol (an opioid analgesic) post-recovery from general anaesthesia after PCNL in the patients receiving ESP block and in the control group.  Single time point, varies across the study participants, data collected at the end of 24hrs 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
Final Enrollment numbers achieved (Total)= "34"
Final Enrollment numbers achieved (India)="34" 
Phase of Trial   Phase 3 
Date of First Enrollment (India)   28/02/2019 
Date of Study Completion (India) 31/08/2020 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
None yet 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary  

A prospective, randomized, placebo-controlled, double-blinded clinical trial to evaluate the efficacy of ipsilateral Erector Spinae Plane block (ESP block) with 20ml 0.25% Inj. Bupivacaine at the L1 vertebral level under ultrasound guidance, performed under general anaesthesia in a prone position before the start of surgery in adult patients undergoing Percutaneous Nephrolithotomy (PCNL) in a tertiary care hospital in India. The placebo control will be injection of 20 ml of Inj. Normal saline (0.9%) instead of Inj. Bupivacaine using an identical procedure. The study will recruit 40 patients over a period of 18 months. The primary outcome variable will be the total dose of intravenous Inj. Tramadol required to maintain adequate analgesia (VAS score less than 5). The secondary outcome variables are the time to first demand of rescue analgesia (VAS score greater than 5); and post operative pain as measured by the Visual Analog Scale (VAS) score and Dynamic Visual Analog Scale (DVAS) score and evaluated at 2hrs, 12hrs and 24hours post surgery.

 
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